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The voids kinetics during diffusion process

Author

Listed:
  • Wierzba, B.
  • Skibiński, W.
  • Wedrychowicz, S.
  • Wierzba, P.

Abstract

In this paper it is shown that the small voids, cracks or inclusions may act as sinks for vacancies or sources for interstitial atoms if the density is very close to equilibrium by numerical simulations. The two dimensional model is presented based on the generalized Darken concept. The void radius is estimated and compared with experimental results in Fe–Pd and β-NiAl–Cu systems. During the studies the following question arises: where is the most favorable place of the void formation. This question will be discussed.

Suggested Citation

  • Wierzba, B. & Skibiński, W. & Wedrychowicz, S. & Wierzba, P., 2015. "The voids kinetics during diffusion process," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 433(C), pages 268-273.
    • Handle: RePEc:eee:phsmap:v:433:y:2015:i:c:p:268-273
    DOI: 10.1016/j.physa.2015.03.086
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    References listed on IDEAS

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    1. Wierzba, Bartek, 2014. "The Kirkendall and Frenkel effects during 2D diffusion process," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 413(C), pages 71-76.
    2. Wierzba, Bartek, 2014. "Competition between Kirkendall and Frenkel effects during multicomponent interdiffusion process," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 403(C), pages 29-34.
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    Cited by:

    1. Zhang, Fan & Zhang, Boyan & Chen, Xiaopan & Zhang, Xinhong & Zhu, Xiaoke & Du, Haishun, 2020. "Computational simulation of voids formation and evolution in Kirkendall effect," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 554(C).
    2. Zhang, Fan & Zhang, Boyan & Zhang, Nan & Du, Haishun & Zhang, Xinhong, 2017. "Simulation of interdiffusion and voids growth based on cellular automata," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 468(C), pages 832-838.

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    1. Zhang, Fan & Zhang, Boyan & Chen, Xiaopan & Zhang, Xinhong & Zhu, Xiaoke & Du, Haishun, 2020. "Computational simulation of voids formation and evolution in Kirkendall effect," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 554(C).

    More about this item

    Keywords

    Voids; Frenkel effect; Diffusion;
    All these keywords.

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